File:Anaplastic pleomorphic xanthastrocytoma (Radiopaedia 28911-29230 Axial T2 11).jpg

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Anaplastic_pleomorphic_xanthastrocytoma_(Radiopaedia_28911-29230_Axial_T2_11).jpg ‎(512 × 512 pixels, file size: 22 KB, MIME type: image/jpeg)

Summary:

Description
  • Radiopaedia case ID: 28911
  • Image ID: 6731896
  • Image stack position: 11/20
  • Plane projection: Axial
  • Aux modality: T2
  • Study findings: A solitary vividly enhancing lesion is demonstrated on the right above the sylvian fissure in the inferior frontal gyrus. It is of heterogeneous signal, but predominantly high in T2 signal than adjacent brain, intermediate signal on T1 weighted imaging, and demonstrates a moderate degree of restricted diffusion. Prominent cerebral blood volume (CBV) is present. At the periphery of the lesion and numerous small cystic appearing regions. Beyond this extensive vasogenic type edema extends throughout the frontal and parietal lobes, and tracks into the posterior limb of internal capsule. Unfortunately MR spectroscopy is non-contributory. The remainder of the brain is unremarkable in appearance. Conclusion: Solitary right frontal lesion is difficult to characterize. The three most likely possibilities include an atypical meningioma (e.g. microcystic +/- brain invasion), a peripheral metastasis and a primary glial series tumor.
  • Modality: MRI
  • System: Central Nervous System
  • Findings: A heterogeneously enhancing mass is present on the right, either peripherally within the right frontal lobe, or extra-axially. It is surrounded by vast quantities of vasogenic pattern edema with local mass effect and minor midline shift.
Date Published: 12th May 2014
Source https://radiopaedia.org/cases/anaplastic-pleomorphic-xanthastrocytoma
Author Frank Gaillard
Permission
(Permission-reusing-text)		 http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

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current11:12, 3 May 2021Thumbnail for version as of 11:12, 3 May 2021512 × 512 (22 KB)Fæ (talk | contribs)Radiopaedia project rID:28911 (batch #1750-51 C11)

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